/*
 * Copyright 2021 The Kubernetes Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { EventEmitter } from 'events'

class EventBus {
  private readonly _bus = new EventEmitter()

  private get bus() {
    return this._bus
  }

  public on(channel: '/s3/configuration/update', handler: () => void) {
    this.bus.on('/s3/configuration/update', handler)
  }

  public off(channel: '/s3/configuration/update', handler: () => void) {
    this.bus.off('/s3/configuration/update', handler)
  }

  public emit(channel: '/s3/configuration/update') {
    this.bus.emit(channel)
  }
}

export default new EventBus()
